Home / 112,072.50-168,137.55-38,200.50

Finding the Fourth Proportional to 112,072.50, 168,137.55 and 38,200.50

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Solution

The fourth proportional to 112,072.50, 168,137.55 and 38,200.50 is: 57,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072.50 : 168,137.55 = 38,200.50 : x
  2. Step 2: Convert to fraction form
    112,072.50/168,137.55 = 38,200.50/x
  3. Step 3: Cross multiply
    112,072.50x = 168,137.55 × 38,200.50
  4. Step 4: Simplify right side
    112,072.50x = 6,422,938,478.78
  5. Step 5: Solve for x
    x = 6,422,938,478.78/112,072.50
  6. Step 6: Final answer
    x = 57,310.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.